Question

X+36+5X+24=180

Answer 1

6x=180-60
6x=120
x=120/6
x=20

Answer 2

X+36+5X+24=180
x + 5x = 180 - 36 - 24
6x = 180 - 60
6x = 120
x = 120/6
x = 20

S[20]